Question about 1995 Chevrolet Caprice Classic

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Alternator? First, is car's 2nd alternator.Driving saw "check gage" noticed voltmeter dropping. Turned off most electrical until I could inspect belt. Belt still on and snug. Restarted car no issues on drive home. In morning, 10 minutes after turning on defroster, check gage back on, volt meter drops farther ( 1 hr drive to work), power windows would not go down to clock in. Worked 8 hours, dropped window in aux key position, car started, check gages came on drove car until I assume electric fuel pump failed, shut me down. Immediately checked battery with multi-meter 11.18 vdc, climbing rapidly. Car on highway, good guess it alternator?

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I would say that you have a bad battery . If the alternator is charging ok but the battery is bad all the current will go to the dying cell . Have a load test done on the battery to eliminate it as a source of a problem. Next have the alternator bench tested as there may be a problem in the rectifier pack

Posted on Mar 19, 2014


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SOURCE: 305 engine --The volts gage is dropping-- HELP

The gauge could be wrong,it could be defective,have the alternator checked,at the battery,it should read from 13.65 volts to 14.25 volts with the head lights on,and the ac blower on high,with the engine running.If the alternator is new,check for 12 volts at the back of the alternator with engine off,if there is not 12 volts on the large wire,on the alternator,then the circuit is broken somewhere.Just install a new wire,of equal or larger size.Leave the original wire on the alternator,and just add a new wire,larger would be better if possible,and run it from the alternator,to the positive side of the battery,it will fix the problem.

Posted on Mar 23, 2010

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